SOLUTION: Solve the following equations. Show your working and check that your answers are correct. 5x + 12 = 2x − 3 5x-2x = -3+12 3x=9 x=3 however if i want to check the s

Algebra ->  Equations -> SOLUTION: Solve the following equations. Show your working and check that your answers are correct. 5x + 12 = 2x − 3 5x-2x = -3+12 3x=9 x=3 however if i want to check the s      Log On


   

Question 963171: Solve the following equations. Show your working and check that your
answers are correct.
5x + 12 = 2x − 3
5x-2x = -3+12
3x=9
x=3
however if i want to check the solution is correct it doesn't work out same can someone check it out please?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
5x+%2B+12+=+2x-3
5x-2x+%2B+12+=+2x-2x-3
3x+%2B+12+=+-3
3x+%2B+12-12+=+-3-12
3x+=+-15
x+=+-15%2F3
highlight%28x+=+-5%29

check the solution:
5x+%2B+12+=+2x-3
5%28-5%29+%2B+12+=+2%28-5%29-3
-25%2B+12+=+-10-3
-13+=+-13